Set-top box



FIG. 1 is a top, front and right side perspective view of a set-top box showing my new design,

FIG. 2 is a front elevational view thereof,

FIG. 3 is a right side elevational view thereof, a left side elevational view being a mirror image

FIG. 4 is a top plan view thereof,

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a rear elevational view thereof.

The broken lines shown in FIG. 6 are included for the purpose of illustration and form no part of the claimed design. 

The ornamental design for a set-top box, shown and described. 